If we want to know how many songs are in the playlist, what we have to do is add up all the songs of each of the genres:
[tex]\begin{gathered} \text{hiphop}\to31 \\ \text{rock}\to44 \\ \text{popular}\to13 \end{gathered}[/tex][tex]31+44+13=88[/tex]In total the playlist has 88 songs
